Columbia Lock and Dam
Louisiana — Caldwell County — OUACHITA RIVER
Location
| State | Louisiana |
| County | Caldwell |
| River | OUACHITA RIVER |
| Coordinates | 32.16680, -92.11043 |
Physical Characteristics
| NID Height | 90 ft |
| Dam Height | — |
| Dam Length | 590 ft |
| NID Storage | 156,800 acre-ft |
| Max Storage | 156,800 acre-ft |
| Surface Area | 7,070 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | May 10, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1970 |
| Primary Purpose | Navigation |
| Dam Type | Gravity |
| Owner Type | Federal |
| Owner | USACE - Vicksburg District |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.